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Design of a portable machine for machining large diameter pipes
Boháč, Josef ; Pavlík, Jan (referee) ; Tůma, Jiří (advisor)
This diploma thesis deals with the design of a portable machine for machining large diameter pipes. This thesis is divided into research, calculation, design, and construction parts. The introductory part is devoted to research in the field of joining large diameter pipes, with a focus on flanged and welded joints. Based on the findings from the research part, several construction solutions were considered. In the next part, the most suitable design solution was selected using a multicriteria analysis technique and subsequently elaborated on in detail. The following chapter deals with the calculation of maximal cutting forces and the selection of motor. An air motor was chosen as the most suitable option for the proposed machine. This part is followed by the computational part, which includes strength calculations for the critical parts of the machine. The final part of the thesis is devoted to the construction itself and the description of the individual construction nodes of the machine. The thesis also includes a 3D model, drawings of selected parts, and an assembly drawing.
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Design of CNC lathe broaching head
Boháč, Josef ; Knoflíček, Radek (referee) ; Tůma, Jiří (advisor)
This bachelor’s thesis deals with the design of construction of broaching head for CNC lathe. This thesis is divided into research part, computational and construction part. The research part is dealing with the CNC lathes and tools with focus on the BMT and VDI tool turrets. Based on the outputs from the research, design parameters and suitable construction solution was chosen. The chosen construction solution uses the crank mechanism. This part is followed by the computational part which includes strength calculations of construction parts and other parameters such as cutting force. The last part is dealing with the construction of the broaching head itself. This thesis also includes a 3D model, drawings of selected parts and an assembly drawing.
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Design of a portable machine for machining large diameter pipes
Boháč, Josef ; Pavlík, Jan (referee) ; Tůma, Jiří (advisor)
This diploma thesis deals with the design of a portable machine for machining large diameter pipes. This thesis is divided into research, calculation, design, and construction parts. The introductory part is devoted to research in the field of joining large diameter pipes, with a focus on flanged and welded joints. Based on the findings from the research part, several construction solutions were considered. In the next part, the most suitable design solution was selected using a multicriteria analysis technique and subsequently elaborated on in detail. The following chapter deals with the calculation of maximal cutting forces and the selection of motor. An air motor was chosen as the most suitable option for the proposed machine. This part is followed by the computational part, which includes strength calculations for the critical parts of the machine. The final part of the thesis is devoted to the construction itself and the description of the individual construction nodes of the machine. The thesis also includes a 3D model, drawings of selected parts, and an assembly drawing.
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Design of CNC lathe broaching head
Boháč, Josef ; Knoflíček, Radek (referee) ; Tůma, Jiří (advisor)
This bachelor’s thesis deals with the design of construction of broaching head for CNC lathe. This thesis is divided into research part, computational and construction part. The research part is dealing with the CNC lathes and tools with focus on the BMT and VDI tool turrets. Based on the outputs from the research, design parameters and suitable construction solution was chosen. The chosen construction solution uses the crank mechanism. This part is followed by the computational part which includes strength calculations of construction parts and other parameters such as cutting force. The last part is dealing with the construction of the broaching head itself. This thesis also includes a 3D model, drawings of selected parts and an assembly drawing.
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